Erin Oprea was being a supportive mom while watching her son at soccer practice. To keep herself occupied (and to get her daily steps in), she stayed several yards away from the field on the concrete to jump rope and watch her son at the same time.

Erin also says jumping rope keeps her from overly cheering for her son, as any eager parent would, during the game. It seemed like a win: she wasn’t in the way and was getting a workout during the two-hour-long practice.

However, the mother was stunned to see that a dad had taken a photo of her without her permission and posted it on social media to shame her.

“Would it be wrong of me to tell her that every dad at the soccer field thinks her standing out front with her jump rope for two hours only screams she wants attention? And I can only imagine what the soccer moms are thinking,” the dad wrote.

How is staying far away from anyone and minding your own business an attention-seeking practice? Erin was disheartened to see the post. She believes it’s people like this who discourage women from working out and taking their fitness seriously. Erin re-posted the man’s photo with her own caption: “Don’t let others bully you!” She then appeared on The Doctors to discuss the photo.

Erin happens to be Carrie Underwood’s personal trainer. Needless to say, Carrie gave the man a piece of her mind.

“Way to go, Erin! Use someone else’s negativity to help others. That man obviously has a big problem… with himself. I only hope he can learn to like himself someday so he can be an adult and stop bullying others for bettering themselves!” Carrie wrote on Instagram.

See how Erin turned the incident into a teachable moment in the video below, and please SHARE on Facebook to take a stance against bullying.